1. National Highways Act 1956. https://indiankanoon.org/doc/1222415/
2. Treaty of European Union. https://eur-lex.europa.eu/legal-content/en/TXT/?uri=CELEX%3A12012M%2FTXT
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5. Chaklader, S. (1981). Linguistic minority as a cohesive force in Indian Federal Process. Associated Publishing House.